How to remove YunPanSer [Virus removal guide]

The YunPanSer is a application that falls under the category of malware from browser hijackers family. Once installed, it introduces changes to some settings of installed internet browsers. It will set Hao123 as your new tab, home page and search engine by default. Thus, if you open any of the internet browsers, it will always be open this intrusive web-site. Moreover, when you create a new tab on the web browser, that affected by YunPanSer hijacker, it will be also redirected to Hao123 web-site.

In order to force you to use Ha123 as often as possible the YunPanSer hijacker can alter your browsers’ search provider. You may even find that your machine’s web browser shortcuts and MS Windows HOSTS file are hijacked without your knowledge and conscious permission. The makers of YunPanSer browser hijacker do so in order to generate revenue via Google AdSence or another third-party ad network. Thus every your click on ads that placed on the Hao123 generates money for them.

Some hijackers like YunPanSer also contain adware (sometimes named ‘ad-supported’ software) that can be used to show unwanted ads and or collect a wide variety of your data which can be transferred to third parties. These unwanted ads can be displayed in the form of pop-unders, pop-ups, in-text ads, video advertisements, text links or banners or even massive full page advertisements. Most of the ad-supported software is created to open ads, but some ‘ad supported’ software is form of spyware that often used to track users to gather user information.

Most often, the YunPanSer browser hijacker affects most common web browsers like Google Chrome, Firefox, Microsoft Edge and IE. But such browser hijackers as well may infect other web-browsers by modifying its shortcuts (adding ‘http://site.address’ into Target field of internet browser’s shortcut). So every time you open the web browser, it’ll open an unwanted web page. Even if you setup your start page again, an annoying web page will be the first thing which you see when you run the internet browser.

We suggest you to clean your PC of hijacker as soon as possible. Use the few simple steps below which will allow to remove YunPanSer hijacker and malicious applications, which can be installed onto your personal computer along with it.

Remove YunPanSer

The answer is right here on this web-page. We have put together simplicity and efficiency. It will allow you easily to clean your machine of hijacker. Moreover, you can select manual or automatic removal solution. If you’re familiar with the computer then use manual removal, otherwise run the free antimalware tool developed specifically to remove browser hijacker like YunPanSer. Of course, you may combine both methods. Certain of the steps will require you to reboot your system or close the web-site. So, read this tutorial carefully, then bookmark or print it for later reference.

Manual YunPanSer hijacker infection removal

If you perform exactly the few simple steps below you should be able to remove the YunPanSer browser hijacker from the Firefox, Chrome, Internet Explorer and Edge internet browsers.

Remove suspicious software using MS Windows Control Panel

It is of primary importance to first identify and get rid of all PUPs, adware programs and browser hijacker infections through ‘Add/Remove Programs’ (Windows XP) or ‘Uninstall a program’ (Windows 10, 8, 7) section of your MS Windows Control Panel.

If you are using Windows 8, 8.1 or 10 then click Windows button, next click Search. Type “Control panel”and press Enter.

If you are using Windows XP, Vista, 7, then click “Start” button and click “Control Panel”.

It will show the Windows Control Panel.

Further, press “Uninstall a program” under Programs category.

It will display a list of all applications installed on the PC.

Scroll through the all list, and delete suspicious and unknown programs. To quickly find the latest installed software, we recommend sort software by date.

Important to know, most anti malware applications which are able to remove browser hijacker, but unable to scan for and recover altered shortcuts. So, you need to fix the desktop shortcuts for your Firefox, Chrome, Internet Explorer and MS Edge web-browsers manually.

Right click on the internet browser’s shortcut, click Properties option. On the Shortcut tab, locate the Target field. Click inside, you will see a vertical line – arrow pointer, move it (using -> arrow key on your keyboard) to the right as possible. You will see a text “http://site.address” that has been added here. Remove everything after .exe. An example, for Google Chrome you should remove everything after chrome.exe.

To save changes, press OK . You need to clean all web browser’s shortcuts. So, repeat this step for the Chrome, IE, Mozilla Firefox and Edge.

Remove YunPanSer browser hijacker from Google Chrome

Reset Google Chrome settings is a simple way to remove the browser hijacker, harmful and adware extensions, as well as to restore the internet browser’s new tab, homepage and search provider by default that have been changed by hijacker.

First run the Google Chrome. Next, click the button in the form of three horizontal stripes (). It will display the main menu. Further, click the option named “Settings”. Another way to open the Google Chrome’s settings – type chrome://settings in the internet browser adress bar and press Enter.

The browser will open the settings screen. Scroll down to the bottom of the page and click the “Show advanced settings” link. Now scroll down until the “Reset settings” section is visible, as shown in the following example and click the “Reset settings” button.

The Google Chrome will display the confirmation dialog box. You need to confirm your action, click the “Reset” button. The browser will launch the process of cleaning. When it is finished, the browser’s settings including startpage, new tab and default search provider back to the values that have been when the Chrome was first installed on your system.

Delete YunPanSer browser hijacker from Microsoft Internet Explorer

If you find that IE web-browser settings such as new tab, start page and search engine by default having been hijacked, then you may revert back your settings, via the reset internet browser process.

First, launch the Internet Explorer. Next, click the button in the form of gear (). It will display the Tools drop-down menu, click the “Internet Options” as shown in the figure below.

In the “Internet Options” window click on the Advanced tab, then click the Reset button. The IE will display the “Reset Internet Explorer settings” window as displayed below. Select the “Delete personal settings” check box, then click “Reset” button.

You will now need to restart your system for the changes to take effect.

Remove YunPanSer hijacker from Firefox

If your Firefox web browser start page has changed to Hao123 without your permission or an unknown search provider shows results for your search, then it may be time to perform the web browser reset.

Start the Firefox and press the menu button (it looks like three stacked lines) at the top right of the browser screen. Next, press the question-mark icon at the bottom of the drop-down menu. It will display the slide-out menu.

Select the “Troubleshooting information”. If you’re unable to access the Help menu, then type “about:support” in your address bar and press Enter. It bring up the “Troubleshooting Information” page as on the image below.

Click the “Refresh Firefox” button at the top right of the Troubleshooting Information page. Select “Refresh Firefox” in the confirmation dialog box. The Firefox will start a procedure to fix your problems that caused by the YunPanSer browser hijacker that modifies web browser settings to replace your start page, newtab and search provider by default. After, it’s finished, press the “Finish” button.

How to automatically remove YunPanSer hijacker

There are not many good free anti-malware applications with high detection ratio. The effectiveness of malicious software removal tools depends on various factors, mostly on how often their virus/malware signatures DB are updated in order to effectively detect modern malware, ad supported software, hijackers and other potentially unwanted programs. We suggest to use several programs, not just one. These applications which listed below will help you remove all components of the browser hijacker infection from your disk and Windows registry and thereby get rid of YunPanSer hijacker.

Scan and free your system of YunPanSer with Zemana Anti Malware

Zemana Anti Malware is a utility which can delete ad-supported software, PUPs, hijacker infections and other malicious software from your machine easily and for free. Zemana Anti-Malware (ZAM) is compatible with most antivirus software. It works under Windows (10 – XP, 32 and 64 bit) and uses minimum of computer resources.

Now you can set up and run Zemana to remove YunPanSer browser hijacker from your web-browser by following the steps below:

Start the setup package after it has been downloaded successfully and then follow the prompts to setup this utility on your PC system.

During installation you can change some settings, but we recommend you do not make any changes to default settings.

When installation is complete, this malicious software removal tool will automatically run and update itself. You will see its main window as shown in the figure below.

Now click the “Scan” button to perform a system scan with this utility for the YunPanSer browser hijacker infection that redirects your web browser to annoying web-pages. This task may take quite a while, so please be patient. When a threat is found, the count of the security threats will change accordingly. Wait until the the scanning is finished.

After that process is complete, Zemana Anti Malware (ZAM) will show a scan report. Review the report and then click “Next” button.

The Zemana will get rid of YunPanSer browser hijacker infection and other web-browser’s malicious extensions and move items to the program’s quarantine. When finished, you can be prompted to reboot your PC system to make the change take effect.

Run Malwarebytes to remove YunPanSer browser hijacker

You can remove YunPanSer browser hijacker automatically with a help of Malwarebytes Free. We suggest this free malware removal utility because it may easily remove browser hijackers, ‘ad supported’ software, PUPs and toolbars with all their components such as files, folders and registry entries.

Download MalwareBytes by clicking on the link below. Save it on your Windows desktop.

Once downloading is complete, close all software and windows on your machine. Open a folder in which you saved it. Double-click on the icon that’s named mb3-setup.

Further, click Next button and follow the prompts.

Once installation is finished, click the “Scan Now” button to perform a system scan with this utility for the YunPanSer hijacker that created to reroute your internet browser to an undesired web site. This process can take quite a while, so please be patient. When a malicious software, adware or PUPs are detected, the count of the security threats will change accordingly.

After MalwareBytes Anti Malware has completed scanning, a list of all threats detected is produced. Next, you need to press “Quarantine Selected”. When disinfection is done, you may be prompted to restart your computer.

The following video offers a step by step tutorial on how to delete hijacker infections, ad-supported software and other malware with MalwareBytes.

If the problem with YunPanSer hijacker is still remained

AdwCleaner is a free removal tool that can be downloaded and run to remove hijackers, ‘ad supported’ software, malware, potentially unwanted software, toolbars and other threats from your PC. You can run this utility to find threats even if you have an antivirus or any other security program.

Download AdwCleaner by clicking on the link below and save it to your Desktop.

When the download is finished, start the AdwCleaner, double-click the adwcleaner_xxx.exe file.

If the “User Account Control” prompts, press Yes to continue.

Read the “Terms of use”, and press Accept.

In the AdwCleaner window, click the “Scan” for scanning your computer for the YunPanSer hijacker and other security threats. While the AdwCleaner utility is checking, you can see count of objects it has identified as being infected by malware.

After the scanning is done, AdwCleaner will display a screen that contains a list of malicious software that has been found. In order to remove all items, simply click “Clean”. If the AdwCleaner will ask you to reboot your computer, click “OK”.

The few simple steps shown in detail in the following video.

How to stay safe online

Running an ad blocking application such as AdGuard is an effective way to alleviate the risks. Additionally, adblocker programs will also protect you from harmful ads and web-sites, and, of course, block redirection chain to malicious and similar web-sites.

Download AdGuard program from the link below. Save it to your Desktop so that you can access the file easily.

Once the downloading process is finished, launch the downloaded file. You will see the “Setup Wizard” screen as shown below.

Follow the prompts. Once the installation is complete, you will see a window as displayed in the following example.

You can click “Skip” to close the installation program and use the default settings, or press “Get Started” button to see an quick tutorial that will allow you get to know AdGuard better.

In most cases, the default settings are enough and you do not need to change anything. Each time, when you start your computer, AdGuard will launch automatically and stop pop ups, as well as other malicious or misleading sites. For an overview of all the features of the program, or to change its settings you can simply double-click on the AdGuard icon, that may be found on your desktop.

Tips to prevent YunPanSer and other unwanted applications

Most often, the free programs installer includes the optional ad-supported software or potentially unwanted software such as YunPanSer browser hijacker. So, be very careful when you agree to install anything. The best way – is to choose a Custom, Advanced or Manual installation mode. Here disable (uncheck) all third-party applications in which you are unsure or that causes even a slightest suspicion. The main thing you should remember, you do not need to install the optional software which you don’t trust! The only thing I want to add. Once the free applications is installed, if you uninstall this software, the startpage, newtab and default search engine of your favorite web-browser will not be restored. This must be done by yourself. Just follow the step-by-step guidance above.

To sum up

Now your system should be free of the YunPanSer browser hijacker which cause a redirect to an intrusive page. Uninstall AdwCleaner. We suggest that you keep AdGuard (to help you stop unwanted pop up advertisements and intrusive malicious pages) and Zemana Free (to periodically scan your computer for new malware, browser hijackers and ‘ad supported’ software). Make sure that you have all the Critical Updates recommended for Windows OS. Without regular updates you WILL NOT be protected when new browser hijackers, harmful programs and adware are released.

If you are still having problems while trying to delete YunPanSer hijacker from your web browser, then ask for help in our Spyware/Malware removal forum.

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